Gang-plow.



7 0 9 1 9m 1 nm A M D E T N E T A P W ML S I BG m G mvniz'ron o BISHOP APPLICATION FILED HAB- 28. 1906.

FIG 1 WITNESSES /W#%-= furthersecure and hold t "position, I provide a plum ty ofbraces u.

GEORGE BISHOP, on OXBOW, 'szlsKATcHEWANfcANADA;

I issuer-Prowl No. 846,643. l

To all, whom concern;- v

Oxbow, in the Province vented certain ments in Gang-Flows, of which the following is a'specification, p

My invention relates to im rovementsin,

gang-plows; and the objects 0 my'invention are to provide a simple but efficient form of gang-plow in which perfect freedom of action of each plow may be maintained and in which the depth of cut of each plow may be independently adjusted; and it consists, essentially, of a horizontal'frame provided with an inclined'back portion having a plurality of 1 rearwardly-extending plow-beams pivoted to lugs perpendicular to them, a plurality of plows secured to said beams, gage-wheels supported from. standards slidably held in said" plow-beams, levers for adjusting said gage-wheels, and means for holding the levers in.any adjusted position, ,the' various parts of the device being constructed and arranged in detail as hereinafter more particularly described. v i V Figure 1 is a side view-of my plow. Fig. 2 is a planview of the same. ig.'3 is anen- 1 larged sectional detail showing one of the adjustable stops for holding'the levers in p0- sition. Fig. 4 is a detailof the connecting lugs secured to the inclined back of the frame. a I

In the drawingslike letters of reference indicate correspondingparts in'each figure.

.a is the frame, which is supported from the ground substantially horizontalposition ymeans of a plurality of runners b or by other suitable means. The frame as shown is made triangular in form, and ,the inclined rear surface 0 has secured thereto a plurality of lugsd', to which a plurality of rearwardlyextending plow-beams e are pivoted. These lugs are substantially D -shaped, asjhown,

having the rear portion parallelto the front of the frame and the side portions parallel to the direction of movement of the plow and extending in a substantially vertical plane. The plow-beams are pivoted between the In s by means of bolts f, extending through boih sides of one lug and thropgh one side of the adjacent lug, thus'forming" a perfectly square hinge and causin aIperpendicular action to be given to eacffi flowbeam; To plow-beams in Be it known that I, GEORGE BISHOP, of of Saskatchewan," Dominion of Canada,-blacksmith, have in-- new, and useful Improve-i specification of Letters Patent. I .PatentedMaz-ch 12,1902; Application filed March is, 1906, Seiie1No.80B, 673.

secured to each plow beam and-pivoted to 1 the lug d. 'Thesepreventany swaying of the I plow-beam. 4 1

From'the end of each plow-beam astandard g is secured and extends downwardly, having a plow-blade h secured at its lower end; The plow-beams being all of the same length'and the back ofthe fr me being'in- .clinedf'will cause the plow-blades-to be arranged in adirection oblique to the front of. I theframe. Q

"i are a plurality of gage-wheels secured to standards'j, which are slidably secured to the plow-beams', preferably by means of straps k. To the top of each of the standards j a lever Z is pivoted, one end of which is'pivotcd to an arm m, the opposite v ends of which are pivoted at n tothe-plow-beams. This lever eX- tends forwardly and is adapted to .be ope'rated from the frame of the plow. To hold the lever in any adjusted position, arc-shaped arms 0 are secured to-the plow-beams, having thereon adjustable stops p, These adjustable stops com i'ise blocks 3, inclosing the arms and being eld in any a j by means of thumb-screws 1" a recess 8 being 'provid d on one side of theb ocks, into which These blocks are preferably used for holding the lever in its uppermost position and when the plow is in operation, and

I also provide fixed stops t at the lower end ofthe arm to hold the lever-in its lower position. evers'in theiruppermo'st position-that isfwith the plows in their lowest position adapted to en In the drawings I'have shown the gage 'the ground, The gage=wheels i willthen determine the depth of the cut that'shall be taken by each plow.- When it is desired, toraise a plow out of the ground,,the lever 5 ressed and placed in engagement with the ower stop 11. This moves the'gage-wheel downwardly-until it engages controlling it is do the ground, after which continued depres sion of the lever will raise the plow up. B rec this means each low isindependently a j-ustable.

Thea J the levers enables iently adju'stedfor difl'erent kinds of Soil, as

ustablestop p for each of before commencing any particular piece of plowing all" the stopslmay be so set that the depth of out taken shall be exactly that required. In In be'held in position with a ma nrnum'amount of rigidity.

ustedposition 1 the plow to be conv'en-v r device the arrangement of the lugs d,.betw on which the plow-beams are secured, insures that the plow-beanie shall up While I have described with great particularity of detail one specific embodiment of my invention, yet it is not to be understood therefrom that my invention is limited thereto, as considerable changes might be made in the details thereof Without materially depart-' ing from the spirit of my invention.

What I claim as my invention is* 1. In a gang-plow the combination with the frame of rearwardly-extending beams pivoted to the same, plows secured thereto, gage-wheels, standards supporting the gagewheels and slidably supported on each beam, levers for ,raising and lowering the gagewheels, arc-shaped arms secured to the beams, sliding blocks on the arms having therein slots into which the levers fit and thumb-screws for retaining said slots in any adiusted position as and for the purpose specified.

2. In a ganglow the combination with the frame of a pl iirality of D-shaped lugs secured to the rear thereof, a plurality of flat plow-beams extending between said lugs and pivoted thereto, the fiat side of the beams ying in a vertical plane and pivoting means extending through each pair of lugs and the plow-beams between as and for the purpose specified.

3: In a plow the combination with the trio angular frame having the rear portion thereof obliquely inclined of a plurality of D- shaped lugs secured to the oblique rear portion having the rear parts thereof-parallel to the front of the plow and the side portions flat and extending'in a vertical plane, plowbeams extending between the lugs and pivoting means extending through the plowbeams, through both sides of one lug and through one side of the adiaoent lug whereby a perpendicular action is given to the plow beams as and for the purpose specified.

4. In a gang-plow the combination with the frame of a plurality of D-shaped lugs secured to the rear portion thereof having the rearpo'rtions thereof parallel to the front of the frame, and the side portions formed Hat and extending in a substantially vertical plane and a lurality of plow-beams pivoted between the ugs as and for the purpose speci- Signed at Oxbow, Province of Saskatche Witnesses:

JAMES D. MURPHY, HUGH O. MA'oCoLL. 

